Home / 873,420,327.74-1,309,692,391.74-290,949,794.30

Finding the Fourth Proportional to 873,420,327.74, 1,309,692,391.74 and 290,949,794.30

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Solution

The fourth proportional to 873,420,327.74, 1,309,692,391.74 and 290,949,794.30 is: 436,278,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,420,327.74 : 1,309,692,391.74 = 290,949,794.30 : x
  2. Step 2: Convert to fraction form
    873,420,327.74/1,309,692,391.74 = 290,949,794.30/x
  3. Step 3: Cross multiply
    873,420,327.74x = 1,309,692,391.74 × 290,949,794.30
  4. Step 4: Simplify right side
    873,420,327.74x = 381,054,731,976,302,272
  5. Step 5: Solve for x
    x = 381,054,731,976,302,272/873,420,327.74
  6. Step 6: Final answer
    x = 436,278,753.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.